Tube Holder Kit, Quad Variable, 6 x 70mm Back Catalog number: 800231 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 400253 Tube Holder, Clear Storage Box Price on request 200524 Tube Holder Tubing, 3/16" ID x 1/16" W (10 ft) Price on request F-PRO-1218 Universal Tube Holder System - Instruction Manual Price on request